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# How do I find y-intercept given two points?

i cant seem to figure it out

the two points given were: (-6, 3) and (-3, -1)

what is the slope of the line after graphing? i got m=4/9

is it correct?

then it asked: what is the y-intercept?

also: what is the equation of the line???

### 1 Answer

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- NorebalLv 78 years agoFavorite Answer
m = ( -1 - 3 ) / ( -3 + 6 ) = -4 / 3 ......... -3 - -6 = - 3 + 6 = 3

Equation of the line.

m = - 4/ 3 ....... P ( -6, 3)

y - 3 = - 4 /3 ( x + 6 )

..... y = - 4/3 x - 8 + 3

..... y = - 4/3x - 5 Equation of the line

y- int when x = 0

..... y-int = - 5

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